Hypotension and shock

Question 1

What is the mechanism of action of vasoconstrictor sympathomimetics?

Answer 1

medications or substances that mimic the effects of the sympathetic nervous system’s neurotransmitters, particularly norepinephrine and epinephrine (adrenaline). These drugs work by activating adrenergic receptors in the body, leading to vasoconstriction (narrowing of blood vessels) and an increase in blood pressure

Question 2

What are examples of vasoconstrictor sympathomimetics?

Answer 2

noradrenaline
phenylephrine (longer- acting: prolonged rise in blood pressure)

Question 3

what are side effects of vasoconstrictor sympathomimetics?

Answer 3

reduced perfusion to vital organs e.g. kidneys